1. Department of Chemistry, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8/A, 31 000 Osijek, Croatia
2. Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology, Daegu-42988, Republic of Korea
3. Department of Physics, Faculty of Science, University of Zagreb, Bijenička Cesta 32, 10000 Zagreb, Croatia
4. Institute of Mathematics, Physics, and Mechanics, University of Ljubljana, Jamova 2, 1000 Ljubljana, Slovenia
5. Faculty of Civil & Geodetic Engineering, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia
6. Institut für Physik der Kondensierten Materie, Technische Universität Braunschweig, Mendelssohnstr. 3, 38106 Braunschweig, Germany
7. Institut für Festkörper-und Materialphysik, Technische Universität Dresden, Haeckelstr. 3, 01069 Dresden, Germany